Does jetson nano ubuntu have a recovery mode like normal ubuntu?

Hello,

There seems to be a problem with ubuntu OS while using jetson nano devkit.
Is there a recovery mode like normal ubuntu?
If so, can you give me some documentation to reference?

Thank you.

Hi,

There is no “recovery mode” similar to Ubuntu or Windows. We only have recovery mode for flashing the board.

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Hello,

Is it possible to flash only the OS while keeping the existing files?

Thank you.

No, it is not possible.

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One thing you could do is clone the existing install (I don’t know if this is an SD card model or eMMC, this would change many instructions), and loopback mount the clone on the host PC’s “Linux_for_Tegra/rootfs/” before flashing. The kernel and some boot content would be overwritten, but the rest of the filesystem would be generated using your clone (since boot content would be overwritten be sure to save a copy).

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Hello,

Can you tell me how to loopback mount the clone on the host PC’s “Linux_for_Tegra/rootfs/”?

Thank you.

The answer depends on whether this is an eMMC model or SD card model. Which model do you have?